AST SMS-7100 Safety Valve for Steam Boiler

The SMS-7100 direct spring operated pressure relief valves has been designed to protect against excess pressure steam boilers and to provide superior performance.

These valves are designed and manufactured according to 97/23/CE P.E.D. and ASME I and are approved according to 97/23/CE P.E.D. These valves have many other homologations and approvals; ATEX, AQSIQ for China, GOST R for Russia and others

Double blow-down ring guarantees the over-pressure and the reseating-pressure required on section I of the ASME code. Special design of the disc eliminates the distortion due to thermal stress for maximum seat tightness. Available with open or closed bonnet.